Home / 20,254,717.20-30,396,072.60-14,579,792.40

Finding the Fourth Proportional to 20,254,717.20, 30,396,072.60 and 14,579,792.40

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Solution

The fourth proportional to 20,254,717.20, 30,396,072.60 and 14,579,792.40 is: 21,879,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254,717.20 : 30,396,072.60 = 14,579,792.40 : x
  2. Step 2: Convert to fraction form
    20,254,717.20/30,396,072.60 = 14,579,792.40/x
  3. Step 3: Cross multiply
    20,254,717.20x = 30,396,072.60 × 14,579,792.40
  4. Step 4: Simplify right side
    20,254,717.20x = 443,168,428,283,328.25
  5. Step 5: Solve for x
    x = 443,168,428,283,328.25/20,254,717.20
  6. Step 6: Final answer
    x = 21,879,763.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.